[kbuild-all] [lunn:v5.10-rc5-net-next-sfp 1/1] net/ethtool/ioctl.c:2183:21: warning: unused variable 'phydev'

tree: https://github.com/lunn/linux.git v5.10-rc5-net-next-sfp head: fcc924a183b34a15eec0a4b76fbbf86178a02d19 commit: fcc924a183b34a15eec0a4b76fbbf86178a02d19 [1/1] net: phy: Remove module_info member from phy driver config: mips-randconfig-r026-20201209 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1968804ac726e7674d5de22bc2204b45857da344) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://github.com/lunn/linux/commit/fcc924a183b34a15eec0a4b76fbbf86178a0... git remote add lunn https://github.com/lunn/linux.git git fetch --no-tags lunn v5.10-rc5-net-next-sfp git checkout fcc924a183b34a15eec0a4b76fbbf86178a02d19 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): struct phy_device = dev->phydev; ^ fatal error: error in backend: Nested variants found in inline asm string: ' .set push .set mips64r2 .if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/bitops.h", .line = 192, $); 0x00 ) != -1)) : $))) ) && ( 0 ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif 1: ll $0, $2 or $1, $0, $3 sc $1, $2 beqz $1, 1b .set pop ' clang-12: error: clang frontend command failed with exit code 70 (use -v to see invocation) clang version 12.0.0 (git://gitmirror/llvm_project 1968804ac726e7674d5de22bc2204b45857da344) Target: mipsel-unknown-linux-gnu Thread model: posix InstalledDir: /opt/cross/clang-1968804ac7/bin clang-12: note: diagnostic msg: Makefile arch drivers include kernel lib net scripts source usr vim +/phydev +2183 net/ethtool/ioctl.c c8f3a8c3106913 net/core/ethtool.c Richard Cochran 2012-04-03 2178 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2179 static int __ethtool_get_module_info(struct net_device *dev, 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2180 struct ethtool_modinfo *modinfo) 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2181 { 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2182 const struct ethtool_ops *ops = dev->ethtool_ops; 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 @2183 struct phy_device *phydev = dev->phydev; 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2184 e679c9c1dbfdba net/core/ethtool.c Russell King 2018-03-28 2185 if (dev->sfp_bus) e679c9c1dbfdba net/core/ethtool.c Russell King 2018-03-28 2186 return sfp_get_module_info(dev->sfp_bus, modinfo); e679c9c1dbfdba net/core/ethtool.c Russell King 2018-03-28 2187 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2188 if (ops->get_module_info) 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2189 return ops->get_module_info(dev, modinfo); 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2190 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2191 return -EOPNOTSUPP; 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2192 } 2f4383667d57d1 net/core/ethtool.c Ed Swierk 2015-01-02 2193 :::::: The code at line 2183 was first introduced by commit :::::: 2f4383667d57d1c719070db86b14277277752841 ethtool: Extend ethtool plugin module eeprom API to phylib :::::: TO: Ed Swierk <eswierk(a)skyportsystems.com&gt; :::::: CC: David S. Miller <davem(a)davemloft.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org